var express = require('express')
var path = require('path')
var favicon = require('serve-favicon')
var logger = require('morgan')
var cookieParser = require('cookie-parser')
var bodyParser = require('body-parser')
var lessMiddleware = require('less-middleware')
var session = require('express-session')

var index = require('./routes/index')
var find = require('./routes/find')
var click = require('./routes/click')

var app = express()

// view engine setup
app.set('views', path.join(__dirname, 'views'))
app.set('view engine', 'ejs')

// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
// app.use(logger('dev'))
app.use(bodyParser.json())
app.use(bodyParser.urlencoded({extended: false}))
app.use(cookieParser())
app.use(session({
  secret: 'zhaocha',
  resave: false,
  saveUninitialized: true,
  cookie: {
    secure: false
  }
}))
app.use(lessMiddleware(path.join(__dirname, 'public')))
app.use(express.static(path.join(__dirname, 'public')))

app.use('/', index)
app.use('/find', find)
app.use('/click', click)

// catch 404 and forward to error handler
app.use(function (req, res, next) {
  var err = new Error('Not Found')
  err.status = 404
  next(err)
})

// error handler
app.use(function (err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message
  res.locals.error = req.app.get('env') === 'development' ? err : {}

  // render the error page
  res.status(err.status || 500)
  res.render('error')
})

module.exports = app
